text: Maezawa, 45, who became a billionaire from the online retail sector, also plans to participate in a lunar circumnavigation on SpaceX's Starship spacecraft, rival to Roscosmos and owned by US billionaire Elon Musk, in 2023?
classes:  No, the Starship is SpaceX's largest spacecraft.  Also, the Starship is SpaceX's largest spacecraft.  Yes, the Starship is SpaceX's largest spacecraft.